Assignee
ESPEC CORP
JP·47 granted patents·17 pending applications·781 citations·filing 2002–2025
Top patents by PatentIndex Score
64 records- 0192US7115838B2Unit for varying a temperature of a test piece and testing instrument incorporating sameESPEC CORP·Filed 2004·Granted Oct 3, 2006·546 cites·22 claims
- 0290USD782511SDisplay screen with graphical user interfaceESPEC CORP·Filed 2015·Granted Mar 28, 2017·38 cites·1 claims
- 0390US7324746B2Fluid heater and evaluation equipment incorporating the sameESPEC CORP·Filed 2005·Granted Jan 29, 2008·26 cites·24 claims
- 0483US7257956B2Cooling apparatusESPEC CORP·Filed 2005·Granted Aug 21, 2007·14 cites·4 claims
- 0581US10620113B2Environmental test apparatusESPEC CORP·Filed 2018·Granted Apr 14, 2020·3 cites·16 claims
- 0680US8359906B2Environment testing apparatus capable of controlling condensation amount, and control method thereforESPEC CORP·Filed 2009·Granted Jan 29, 2013·12 cites·4 claims
- 0779US6955551B2Card edge connector jig and card edge connector connection mechanismESPEC CORP·Filed 2003·Granted Oct 18, 2005·28 cites·7 claims
- 0877US7558064B2Cooling apparatusESPEC CORP·Filed 2005·Granted Jul 7, 2009·9 cites·12 claims
- 0975US6938432B2Cooling apparatus and a thermostat with the apparatus installed thereinESPEC CORP·Filed 2003·Granted Sep 6, 2005·22 cites·31 claims
- 1074US9551646B2Apparatus for environmental testESPEC CORP·Filed 2014·Granted Jan 24, 2017·2 cites·10 claims
- 1172US12442753B2Environment forming deviceESPEC CORP·Filed 2023·Granted Oct 14, 2025·0 cites·9 claims
- 1272US8348500B2Hygrometer and dew-point instrumentESPEC CORP·Filed 2008·Granted Jan 8, 2013·3 cites·13 claims
- 1371US9329118B2Environmental chamberESPEC CORP·Filed 2013·Granted May 3, 2016·2 cites·9 claims
- 1469US10012400B2Humidity control apparatus, environment test apparatus, and temperature and humidity control apparatusESPEC CORP·Filed 2015·Granted Jul 3, 2018·1 cites·7 claims
- 1569US7396606B2Fuel-cell evaluation equipmentESPEC CORP·Filed 2005·Granted Jul 8, 2008·2 cites·22 claims
- 1668US7359808B2Fuel cell evaluation method and fuel cell evaluation apparatusESPEC CORP·Filed 2004·Granted Apr 15, 2008·6 cites·19 claims
- 1764US12222278B2Environmental testing device with enhanced electromagnetic effectESPEC CORP·Filed 2022·Granted Feb 11, 2025·0 cites·17 claims
- 1864US2023294100A1Temperature chamberESPEC CORP·Filed 2023·Application pending·0 cites
- 1963USD777753SDisplay screen with graphical user interfaceESPEC CORP·Filed 2015·Granted Jan 31, 2017·10 cites·1 claims
- 2063USD742332SControl panelESPEC CORP·Filed 2014·Granted Nov 3, 2015·11 cites·1 claims
- 2163US2023304919A1Setting device, computer-readable recording medium that records program, environment forming device, and setting methodESPEC CORP·Filed 2023·Application pending·0 cites
- 2261US9778216B2Hygrometer and dew-point instrumentESPEC CORP·Filed 2014·Granted Oct 3, 2017·0 cites·8 claims
- 2361US7216044B2Battery state diagnosing device and battery state diagnosing methodESPEC CORP·Filed 2003·Granted May 8, 2007·14 cites·14 claims
- 2460US10481078B2Hygrometer and temperature-humidity chamber provided with sameESPEC CORP·Filed 2013·Granted Nov 19, 2019·1 cites·5 claims
- 2560US8342046B2Environmental test apparatusESPEC CORP·Filed 2009·Granted Jan 1, 2013·1 cites·4 claims
- 2660US7497136B2Environmental test apparatusESPEC CORP·Filed 2007·Granted Mar 3, 2009·1 cites·3 claims
- 2759US2022340858A1IncubatorESPEC CORP·Filed 2022·Application pending·0 cites
- 2857US2025305933A1Rainfall test apparatus and rainfall test methodESPEC CORP·Filed 2025·Application pending·0 cites
- 2957US2025303321A1Fog environment forming apparatus and fog environment forming methodESPEC CORP·Filed 2025·Application pending·0 cites
- 3056US2024068729A1Snow environment test apparatus and snow environment test methodESPEC CORP·Filed 2023·Application pending·0 cites
- 3155USD734181STemperature and humidity chamberESPEC CORP·Filed 2014·Granted Jul 14, 2015·8 cites·1 claims
- 3255US6798222B2Migration measuring method and measuring apparatusESPEC CORP·Filed 2002·Granted Sep 28, 2004·5 cites·20 claims
- 3354US12159979B2Test jig, test device, and test method for secondary batteryESPEC CORP·Filed 2021·Granted Dec 3, 2024·0 cites·17 claims
- 3454US2025305744A1Snow subdivision device and snowfall deviceESPEC CORP·Filed 2025·Application pending·0 cites
- 3553US10852348B2Contact-type testing device and environmental test methodESPEC CORP·Filed 2014·Granted Dec 1, 2020·0 cites·6 claims
- 3653US9885485B2Humidity control apparatus, environment test apparatus, and temperature and humidity control apparatusESPEC CORP·Filed 2015·Granted Feb 6, 2018·0 cites·5 claims
- 3753US2023417632A1Environmental test apparatusESPEC CORP·Filed 2023·Application pending·0 cites
- 3853US2024280280A1Temperature chamber and environment forming deviceESPEC CORP·Filed 2024·Application pending·0 cites
- 3953US2024384908A1Refrigerating device and environmental testing apparatusESPEC CORP·Filed 2024·Application pending·0 cites
- 4053US2024068930A1Snow environment test apparatus and snow environment test methodESPEC CORP·Filed 2023·Application pending·0 cites
- 4152US7498830B2Burn-in apparatusESPEC CORP·Filed 2005·Granted Mar 3, 2009·1 cites·3 claims
- 4248US12287137B2Snow making apparatusESPEC CORP·Filed 2022·Granted Apr 29, 2025·0 cites·18 claims
- 4347US7043151B2Pipe heater manufacturing method and pipe heaterESPEC CORP·Filed 2005·Granted May 9, 2006·0 cites·5 claims
- 4447US2024111073A1Snow accretion test method and snow accretion test deviceESPEC CORP·Filed 2023·Application pending·0 cites
- 4546US9453872B2Apparatus and method for power cycle testESPEC CORP·Filed 2013·Granted Sep 27, 2016·1 cites·8 claims
- 4646US2008149208A1Testing machine and piping system for a thermostat incorporated in the testing machineESPEC CORP·Filed 2007·Application pending·0 cites
- 4746US2007279051A1Fuel Cell Current Distribution Measuring Equipment and Fuel Cell Current Distribution Measuring MethodESPEC CORP·Filed 2004·Application pending·0 cites
- 4844US7415836B2Cooling apparatus and a thermostat with the apparatus installed thereinESPEC CORP·Filed 2004·Granted Aug 26, 2008·3 cites·14 claims
- 4944US7140260B2Gas flow measuring device and gas flow measuring methodESPEC CORP·Filed 2004·Granted Nov 28, 2006·4 cites·14 claims
- 5044US2008285616A1System for testing the durability of objects under thermally hard circumstancesESPEC CORP·Filed 2007·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when ESPEC CORP files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →